Girls with Turner syndrome may have some malformation of the kidneys. Or the error can occur in cell division in early fetal development so that only some cells contain the abnormal or missing parts of one of the X chromosomes mosaicism.
Cause[ edit ] Turner syndrome is caused by the absence of one complete or partial copy of the X chromosome in some or all the cells. Oestrogen is gradually supplemented by progesterone a stronger female hormone as the girl matures. Due to inadequate production of estrogenmany of those with Turner syndrome develop osteoporosis.
Identification and Cure Although Turner Syndrome can be identified in the fetus or with a blood test, there is not a known cure for it. Women with Turner syndrome are also at increased risk of developing weak, brittle bones osteoporosis.
This type of heart defect is present at birth and can be corrected surgically. This is expressed as 46,XX men: Majority of women with turner syndrome do not present any behavioral or physical attributes different from that of the general population and are likely to live long and healthy lives.
Cognitive[ edit ] Turner syndrome does not typically cause intellectual disability or impair cognition. Due to the non-functioning ovaries in women with classic turner syndrome, classic turner syndrome is not hereditary. A regular ultrasound examination of the heart is recommended in all girls with Turner syndrome.
Treatment In recent years, the condition has been treated using a growth hormone, given as injections under the skin subcutaneous in the evening. Diabetes[ edit ] Women with Turner syndrome are at a moderately increased risk of developing type 1 diabetes in childhood and a substantially increased risk of developing type 2 diabetes by adult years.
The female sex hormone oestrogennecessary for the girl to start puberty, is usually produced by the egg cells. Girls and women with Turner syndrome usually have normal intelligence. It is also associated with an increased risk of bone fractures. Biology term papers Disclaimer: Hypoplastic left heart syndrome represents the most severe reduction in left-sided structures.
Ongoing research in reproduction and adoption make it possible for these women to marry and raise children. If not present at birth, it does not develop later in life.
As a result, any aortic root dilatation should be seriously taken into account, as it could become a fatal aortic dissection. In a small percentage of Turner syndrome cases, some cells have one copy of the X chromosome and other cells have one copy of the X chromosome and some Y chromosome material.
Classic turner syndrome occurs when one sex chromosome is missing. They also have an increased risk of diabetes. Most of these significant conditions are treatable with surgery and medication.
In girls with Turner syndrome, insufficient oestrogen is produced for the girl to start puberty. Hearing loss is common with Turner syndrome. Up to the age of about 2 years, growth in height is approximately normal, but then it lags behind that of other girls.
Early diagnosis is very importance in order to be able to give enough correct information to the parents, and gradually to the child herself, so that she has the best possibilities for development. American doctor Henry Turner recognized a pattern of short stature and incomplete sexual maturation in otherwise normal females.
The risk of developing type 2 diabetes can be substantially reduced by maintaining a healthy weight. The primary purpose of growth hormone is to regain height in girls with Turner syndrome. Signs and symptoms can be subtle, developing slowly over time, or significant, such as heart defects.
Their body proportions are normal. Neither spontaneous development of puberty nor the accompanying growth spurts are seen in girls with Turner syndrome. Having abnormal chromosomes does not mean that girls with Turner syndrome are not really female; they are women with a condition that causes short stature and poorly developed ovaries.
Oestrogen therapy should start after one has taken the growth hormone for at least two years about years old is averageusing small doses at first to promote sexual development. Large fluid collection on the back of the neck or other abnormal fluid collections edema Heart abnormalities At birth or during infancy Signs of Turner syndrome at birth or during infancy may include: Even with these abnormalities, the kidneys of most women with Turner syndrome function normally.
It's important to get a prompt, accurate diagnosis and appropriate care. Routine surveillance is highly recommended. Turner Syndrome is a genetic disorder that is characterized by the absence of part or all of the second X chromosome in women. Women who have Turner Syndrome typically have short stature, sexual infantilism, congenital webbing of the neck, and cubitus valgus, which.
Turner syndrome was discovered by Dr. Henry Turner, an endocrinologist inwhen he noticed a set of common physical features in some of his female patients.
Turner was born on August 28, in Harrisburg, Illinois and died on August 4, in Oklahoma City, Oklahoma. An endocrinologist. Turner syndrome was discovered by Dr. Henry Turner, an endocrinologist inwhen he noticed a set of common physical features in some of his female patients.
Turner was born on August 28, in Harrisburg, Illinois and died on August 4, in Oklahoma City, Oklahoma. An endocrinologist.
Essay on Turner Syndrome. Turner Syndrome Turner syndrome is a genetic condition in which a female does not have the usual pair of two X chromosomes. 1 out of births have Turner syndrome. Turner syndrome (TS), also known as 45,X or 45,X0, is a condition in which a female is partly or completely missing an X chromosome.
Signs and symptoms vary among those affected. Often, a short and webbed neck, low-set ears, low hairline at the back of the neck, short stature, and swollen hands and feet are seen at birth. Turner syndrome may be diagnosed before birth (prenatally), during infancy or in early childhood.
Occasionally, in females with mild signs and symptoms of Turner syndrome, the diagnosis is delayed until the teen or young adult years.Turner syndrome essay